    # -*- coding:utf-8 -*-
    import time
    starttime = time.time() # 当前时间戳
    print(starttime)
    localtime = time.strftime("%Y-%m-%d %H:%M:%S", time.localtime())
    print("开始时间为 :", localtime)

    
    endtime = time.time() # 当前时间戳
    print(endtime)
    localtime = time.strftime("%Y-%m-%d %H:%M:%S", time.localtime())
    print("结束时间为 :", localtime)
    print(f'程序运行时间:{(endtime - starttime)*1000:.2f}毫秒')